Web tension profile measuring method and roll applying the same

A method and a roll for measuring a tension profile is provided. The roll has planted on its surface a spirally helical pressure-sensitive film sensor, such as an EMFi pressure-sensitive film sensor, which makes contact with a web obliquely and which, co-directionally with the web, has a measuring r...

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Bibliographische Detailangaben
Hauptverfasser:	HUUSKONEN REIJO, INNALA MATTI, KINNUNEN JORMA, PITKAENEN TATU, NYLUND MARKUS, KOSKELAINEN JUSSI, LANNES PETTERI, TIILIKAINEN MARKO, SALONIEMI JYRKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES FOR PAPER-MAKING MACHINES CALENDERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE METHODS OF PRODUCING PAPER THEREON PACKING PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PHYSICS PRODUCTION OF CELLULOSE STORING TESTING TEXTILES TRANSPORTING
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Beschreibung
Zusammenfassung:	A method and a roll for measuring a tension profile is provided. The roll has planted on its surface a spirally helical pressure-sensitive film sensor, such as an EMFi pressure-sensitive film sensor, which makes contact with a web obliquely and which, co-directionally with the web, has a measuring range which is substantially equal to or shorter than a web overlap angle when the roll is used for measuring a lateral tension profile of the web.